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Finding the Fourth Proportional to 60,970.44, 91,464.39 and 18,853.80

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Solution

The fourth proportional to 60,970.44, 91,464.39 and 18,853.80 is: 28,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,970.44 : 91,464.39 = 18,853.80 : x
  2. Step 2: Convert to fraction form
    60,970.44/91,464.39 = 18,853.80/x
  3. Step 3: Cross multiply
    60,970.44x = 91,464.39 × 18,853.80
  4. Step 4: Simplify right side
    60,970.44x = 1,724,451,316.18
  5. Step 5: Solve for x
    x = 1,724,451,316.18/60,970.44
  6. Step 6: Final answer
    x = 28,283.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.